Smoke tube



FIG. 1 is a perspective view of the smoke tube in an open configuration;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and

FIG. 7 is a back view thereof.

FIG. 8 is a perspective view of the smoke tube in a closed configuration;

FIG. 9 is a front view thereof;

FIG. 10 is a top view thereof;

FIG. 11 is a bottom view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a left side view thereof; and,

FIG. 14 is a back view thereof.

The dashed broken lines in FIGS. 1 through 14 depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a smoke tube, as shown and described. 